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an engine a piston oscillates with simple harmonic motion so that its position varies according to the expression x
a flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center rotating
a hunter is standing on flat ground between two vertical cliffs that are directly opposite one another he is closer to
when 0170 g of the hydrate cacl2bullxh2o is heated 0128 grams of anhydrous cacl2 remains what is the value of x in the
water at a pressure of 38 atm at street level flows into an office building at a speed of 055 ms through a pipe 44 cm
the siren on an ambulance is emitting a sound whose frequency is 2050 hz the speed of sound is 343 msa if the ambulance
antimony has two naturally occurring isotopes sb-121 mass 1209038 amu and sb-123 mass 1229042 amu calculate the
the magnetic field of an electromagnetic wave in a vacuum is b z 40mu t sin 10times107 x - 2 pi f t where x is in m
the vant hoff factor for kcl is 185 what is the boiling point of a 090 solution of kcl in water for water
two people start at the same place and walk around a circular lake in opposite directions one has an angular speed of
a venturi meter is a device for measuring the speed of a fluid within a pipe a gas flowing at a speed v2 through a
if you need to augment your 1s camphor with racemic camphor for the reduction experiment will this affect the outcome
a 20 kg tether ball is attached to a vertical pole by a 15 m long rope the ball is swung around the pole at an angle of
use the pka cata to help you predict the products of the reactions use curved arrows to show electron flow predict
an airplane has an effective wing surface area of 14 m2 that is generating the lift force in level flight the air speed
why couldnt you use ir instead of nmr to determine the diasteroselectivity of the reduction of 1s camphor what is
the father has a mass of 110 kg while the daughters mass is 39 kg now the mans younger son of mass 28 kg hops on the
four ice cubes at exactly 0 degrees celsius having a total mass of 525 grams are combined with 115 grams of water at 77
on an old-fashioned rotating piano stool a woman sits holding a pair of dumbbells at a distance of 0565 m from the axis
liquid water at 0oc and atmospheric pressure has a density of 1000 gcm3 at this condition ice has a density of
a solid disk of mass m1 91 kg and radius r 025 m is rotating with a constant angular velocity of 330 rads a thin
a meter stick is supported on a fulcrum at the 39 cm mark a 050 kg object is hung from the zero end of the meter stick
a bicycle racer is going downhill at 150 when to his horror one of his 206 wheels comes off when he is 760 above the
consider the combustion of h2 2h2 o2-gt2h2o if hydrogen is burning at the rate of 077mols what is the consumption of
a uniform drawbridge must be held at a 375 degree angle above the horizontal to allow ships to pass underneath the